Pregastrulation
原肠形成前期
🗣️ 情景例句
Yeah, he's fine.
是的 ，他不错。
It's ten minutes to four.
现在差十分四点。
He looked very well though he was rather thirsty, for he drank half a bottle of milk.
它看上去一切正常，只是口渴得很，喝了半瓶牛奶。